diff --git a/src/translate.ts b/src/translate.ts
index 892e9ae..33d6c89 100644
--- a/src/translate.ts
+++ b/src/translate.ts
@@ -1,9 +1,5 @@
 import { ServiceError, TextTranslateQuery } from "@bob-translate/types";
-import {
-  generatePrompt,
-  generateSystemPrompt,
-  handleGeneralError,
-} from "./util";
+import { generatePrompt, generateSystemPrompt, handleGeneralError } from "./util";
 import { langMap } from "./lang";
 
 export async function translate(query: TextTranslateQuery) {
@@ -44,7 +40,7 @@ export async function translate(query: TextTranslateQuery) {
       messages: [
         {
           role: "system",
-          content: generateSystemPrompt(),
+          content: generateSystemPrompt(query),
         },
         {
           role: "user",
@@ -74,8 +70,7 @@ export async function translate(query: TextTranslateQuery) {
             type: "secretKey",
             message: "配置错误 - 请确保您在插件配置中填入了正确的 API Keys",
             addition: "请在插件配置中填写正确的 API Keys",
-            troubleshootingLink:
-              "https://bobtranslate.com/service/translate/openai.html",
+            troubleshootingLink: "https://bobtranslate.com/service/translate/openai.html",
           });
         } else if (streamData.text !== undefined) {
           // 将新的数据添加到缓冲变量中
@@ -85,11 +80,7 @@ export async function translate(query: TextTranslateQuery) {
           if (match) {
             // 如果是一个完整的消息，处理它并从缓冲变量中移除
             const textFromResponse = match[1].trim();
-            targetText = handleStreamResponse(
-              query,
-              targetText,
-              textFromResponse,
-            );
+            targetText = handleStreamResponse(query, targetText, textFromResponse);
             buffer = buffer.slice(match[0].length);
           }
         }
@@ -115,11 +106,7 @@ export async function translate(query: TextTranslateQuery) {
   }
 }
 
-const handleStreamResponse = (
-  query: TextTranslateQuery,
-  targetText: string,
-  textFromResponse: string,
-) => {
+const handleStreamResponse = (query: TextTranslateQuery, targetText: string, textFromResponse: string) => {
   if (textFromResponse !== "[DONE]") {
     try {
       const dataObj = JSON.parse(textFromResponse);
diff --git a/src/util.ts b/src/util.ts
index 714a485..c5e71c6 100644
--- a/src/util.ts
+++ b/src/util.ts
@@ -2,22 +2,50 @@ import { HTTP_ERROR_CODES } from "./constants";
 import { HttpResponse, ServiceError, TextTranslateQuery } from "@bob-translate/types";
 
 export function generatePrompt(query: TextTranslateQuery) {
-  const promptMaps: Record<string, string> = {
-    translate: $option.prompt || `Translate the following text to {targetLang}: {sourceText}`,
-    interpret: `简明扼要地解释：{sourceText}`,
-  };
-  const pattern = $option.pattern || 'translate';
-  const promptTemplate = promptMaps[pattern];
-  return parseStringTemplate(promptTemplate, {
-    sourceLang: query.detectFrom,
-    targetLang: query.detectTo,
-    sourceText: query.text,
-  });
+  const pattern = $option.pattern || "translate";
+  const { text } = query;
+
+  if (pattern === "translate") {
+    if (isEnglishWord(text.trim())) {
+      return parseStringTemplate(
+        `
+请提供关于 {sourceText} 的详细解释，包括以下方面：
+1. **词源**: 解释该词的起源、词根，以及它是如何演变而来的。
+2. **发音**: 描述该词的发音，包括任何语音上的细微差别。
+3. **定义**: 提供该词的主要含义以及任何次要含义。
+4. **用法**: 给出使用该词的句子示例，并展示在不同语境下的用法。
+5. **同义词和反义词**: 列出同义词和反义词，并解释它们在意义或用法上的区别。
+6. **相关词汇**: 提及任何相关词汇或衍生词，并解释它们与原词的关联。
+7. **文化或历史背景**: 提供任何相关的文化或历史信息，以帮助理解该词的使用或意义。"
+`,
+        {
+          sourceLang: query.detectFrom,
+          targetLang: query.detectTo,
+          sourceText: query.text,
+        }
+      );
+    } else {
+      return parseStringTemplate($option.prompt || `Translate the following text to {targetLang}: {sourceText}`, {
+        sourceLang: query.detectFrom,
+        targetLang: query.detectTo,
+        sourceText: query.text,
+      });
+    }
+  } else if (pattern === "interpret") {
+    return parseStringTemplate(`简明扼要地解释：{sourceText}`, {
+      sourceLang: query.detectFrom,
+      targetLang: query.detectTo,
+      sourceText: query.text,
+    });
+  }
 }
 
-export function generateSystemPrompt() {
+export function generateSystemPrompt(query: TextTranslateQuery) {
+  const { text } = query;
   const promptMaps: Record<string, string> = {
-    translate: "You are a translation engine, translate directly without explanation and any explanatory content",
+    translate: isEnglishWord(text.trim())
+      ? "Your are a English language expert"
+      : "You are a translation engine, translate directly without explanation and any explanatory content",
     interpret:
       "You are now a knowledgeable encyclopedia expert who can provide detailed information and explanations in various fields. Whether it is science, history, technology or culture, you can answer questions in a simple and easy-to-understand way and cite relevant materials and examples to help you understand.",
   };
@@ -62,3 +90,7 @@ export function handleGeneralError(query: TextTranslateQuery, error: ServiceErro
     });
   }
 }
+
+export function isEnglishWord(text: string) {
+  return text.split(" ").length === 1 && /^[a-zA-Z]+$/.test(text);
+}